Kashmir sapphire and Charlesite Physical Properties

Kashmir sapphire

Charlesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available1.79

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on {10bar10}

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Not Available

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Kashmir sapphire and Charlesite Chemical Formula

While comparing Kashmir sapphire and Charlesite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Kashmir sapphire and Charlesite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Kashmir sapphire and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kashmir sapphire and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kashmir sapphire and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Kashmir sapphire is 1.79 whereas that of Charlesite is 1.79.